Perhaps its three steps, three months, three years, 3 decades. The length of the preparation is determined by the gravity of the task. Becoming a president takes a lifetime of preparation.
Our lives have the potential to speak volumes. Most of what they have to say fades in silence. It goes by unrecorded, unrecognised and unappreciated. It seems insignificant and trivial.
In reality, your life is what prepares you for your impact. The impact you make is merely the consequence of the quality and intention invested in your preparation for it.